You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'for-sale and session_id = "it36vh1p02kf221697n55t18m4"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = business-premises-for-sale and session_id = "it36vh1p02kf221697n55t18m4"